Engine Rotating Assemblies & Rebuild Kits

Pro LS Piston and Rod Kit, 325 Cid, 3.780 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 10.9:1 @ 61cc, 10.3:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L7802

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Rebuild Kit, Complete Bottom End, Yamaha, YZ85, Kit

Part Number: HRI-CBK0076

Not Yet Reviewed

Estimated Ship Date: Sep 18, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Re-Ring, Moly, 4.320 in. Bore, Standard Rod, Standard Main, Dodge, 440, Kit

Part Number: FEM-205632AM-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Kit, Crank, Flat-Top Piston/Moly Ring, Rod, Main, Gaskets, Oil Pump, Timing Set, Chevy, 355, Kit

Part Number: SES-3483002050

5.0 out of 5 stars ( 1 )

Cannot be shipped Internationally

• Oversize
• Restricted

Engine Rotating Assembly, Street/Strip, Cast Crank, Hypereutectic Pistons, I-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-16526030

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Re-Ring, Moly, 4 in. Bore, Standard Rod, Dodge, 360, Kit

Part Number: FEM-205683A-00

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.060 in. Bore, Standard Rod, Standard Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-600

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping

Engine Re-Ring, Moly, 4.060 in. Bore, .010 in. Rod, .010 in. Main, Ford, 351/400, Kit

Part Number: FEM-205-624M611

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Competition assembly, 522 CID, -30.4cc Icon

Part Number: ESP-22211040

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Free Shipping
• Special Order

Engine Re-Ring, Cast, 4.360 in. Bore, Standard Rod, Standard Main, Ford, 460, Kit

Part Number: FEM-2051123M-000

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Rotating Assembly, Street/Strip, Forged Piston, Forged Crank, I-Beam Rods, Chevy, Small Block, Kit

Part Number: ESP-B627004000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-14125040

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 19, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-B14003125

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Free Shipping
• Special Order

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Mopar, Big Block, Kit

Part Number: ESP-21203030

Not Yet Reviewed

Estimated Ship Date: Sep 19, 2025 if ordered today

• Free Shipping
• Special Order

Pro LS 4340 Rotating Assembly, 415 Cid., 4.065 bore, 4.000 stroke, 24X, 6.125 rod, 6cc dish, 11.5:1 @ 65cc, 10.9:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400656

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 410 Cid., 4.040 bore, 4.000 stroke, 24X, 6.125 rod, 8cc dish, 11.2:1 @ 65cc, 10.6:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R24400408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 416 Cid., 4.070 bore, 4.000 stroke, 24X, 6.125 rod, 21cc dish, 9.9:1 @ 65cc, 9.5:1 @ 70cc, File-Fit Rings, H Bearings

Part Number: SUM-R244007021

Not Yet Reviewed

Estimated Ship Date: Today

Pro LS 4340 Rotating Assembly, 370 Cid., 4.030 bore, 3.622 stroke, 24X, 6.125 rod, 12cc Dish, 9.7:1 @ 65cc, 9.3:1 @ 70cc, File-Fit rings, H Bearings

Part Number: SUM-R2436L03012

Not Yet Reviewed

Estimated Ship Date: Today

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Mopar, Big Block, Kit

Part Number: ESP-21200030

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Free Shipping
• Special Order

Rotating Assembly, Street/Strip, Cast Steel Crankshaft, Hypereutectic Dish Pistons, 1 pc Seal, Chevy, 383, Kit

Part Number: ESP-B15504L00053

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Free Shipping
• Special Order

Engine Re-Ring, Moly, 3.910 in. Bore, Standard Rod, Chrysler, Dodge, Plymouth, 318, Kit

Part Number: FEM-205717-00

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Rotating Assembly, Competition, Forged Crank, Forged Pistons, H-Beam Rods, Ford, Small Block, Kit

Part Number: ESP-14003-030

Not Yet Reviewed

Estimated Ship Date: Oct 3, 2025 if ordered today

• Free Shipping
• Special Order

Engine Re-Ring, Moly, 4.080 in. Bore, Standard Rod, AMC, 360, Kit

Part Number: FEM-205715-00

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

• Free Shipping
• Special Order

Engine Re-Ring, Moly, 4.000 in. Bore, Standard Rod, Standard Main, Ford, 5.0L, Kit

Part Number: FEM-205-6345M000

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Engine Rebuild, Hypereutectic Flat, 4.040 in. Bore, .020 in. Rod, .020 in. Main, Chevy, 350, Kit

Part Number: SUM-SBCKIT3-422

Not Yet Reviewed

Cannot be shipped Internationally

• Restricted
• Free Shipping